AWG Wire Chart

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About this app

AWG Wire Chart is an offline AWG table. Look up American Wire Gauge sizes in millimetres and inches, with area and copper resistance.

AWG Wire Chart is an American Wire Gauge (AWG) lookup table: size, diameter, area and copper ohms.

📋 What it includes

✓ Solid table from 4/0 to 40: diameter in mm and inches at the same time, mm², kcmil and copper ohms at 20 °C.
✓ Sizes thicker than 4/0 in kcmil (250, 300, 350… up to 2000), with equivalent solid diameter.
✓ Stranded tab: published constructions (for example 7/30), with the nominal outer diameter of that construction.
✓ Find: enter a solid diameter (mm or inches) or an area in mm² and see the nearest AWG sizes. If the measurement is thicker than 4/0, the nearest kcmil may appear too.
✓ Search by typing 12, 4/0, 0000 or 250.
✓ Save rows, copy values, a short guide, and language: English, Spanish and Portuguese.
✓ Tables ship with the app and can be used offline.

ℹ️ What this AWG Wire Chart is not

It does not list maximum amps. How many amps a cable may carry depends on insulation, temperature and the electrical code of the installation. It is not an aircraft wiring calculator, not a transformer calculator and not a voltage-drop sizer.

👤 Who it is for

Anyone who needs a clear AWG chart on the phone: diameter, area and copper resistance. Electronics, coils, toroids, or matching a measured wire to the table.

⚖️ Disclaimer
AWG Wire Chart is a lookup table. It does not size installations and does not replace the electrical code, manufacturer data sheets or the judgment of the person doing the work. If you use these values on a specific job, check them against the code and the material that apply. Use is at your own risk.